Heart rate monitor



FIG. 1 is a top-end view of a heart rate monitor;

FIG. 2 is a rear view of the heart rate monitor;

FIG. 3 is a bottom-end view of the heart rate monitor;

FIG. 4 is a left-side view of the heart rate monitor;

FIG. 5 is a right-side view of the heart rate monitor;

FIG. 6 is a front view of the heart rate monitor;

FIG. 7 is a first isometric view of the heart rate monitor; and,

FIG. 8 is a second isometric view of the heart rate monitor.

The broken lines in the drawing are included for the purpose of illustratinv portions of the heart rate monitor that form no part of the claimed design.

A portion of the disclosure of this patent document contains material to which a claim for trademark is made. Specifically, the mark POLAR® is a registered mark of Polar Electro Oy. The owner has no objection to the reproduction of the patent document or the patent disclosure, as it appears in the U.S. Patent Office records, but reserves all other trademark rights whatsoever. 

CLAIM The ornamental design for a heart rate monitor, as shown and described. 